Identifiers
| WikiData URI | http://www.wikidata.org/entity/Q2053872 |
| VIAF | http://viaf.org/viaf/90718844 |
| PPN | http://data.bibliotheken.nl/id/thes/p069219907 |
| Adamlink URI | https://adamlink.nl/person/polet-sybren/12219 |
| WikiData URI | http://www.wikidata.org/entity/Q2053872 |
| VIAF | http://viaf.org/viaf/90718844 |
| PPN | http://data.bibliotheken.nl/id/thes/p069219907 |
| Adamlink URI | https://adamlink.nl/person/polet-sybren/12219 |